Genoa
The Frenchman has been out of work since parting ways with French Ligue 1 side Strasbourg in July, having previously managed Premier League club Crystal Palace.
No details of the deal were disclosed, but Italian media said that it was worth around 28 million euros ($30.57 million).
Inter are top with 45 points but the result gives second-placed Juventus, on 40, an opportunity to close the gap as they host AS Roma on Saturday. Genoa are 13th with 20.
Massimiliano Allegri's side are second on 37 points behind Inter Milan, who visit Lazio on Sunday. Genoa are 14th with 16 points, four points clear of the relegation zone.
The private investment firm is the latest U.S. owner in Italy’s top league following AC Milan, Fiorentina, Spezia, AS Roma and Venezia.
A much-changed Juventus made hard work of beating Genoa 3-2 in their Copp Italia last-16 match on Wednesday.
Genoa, Italy’s oldest professional club, guaranteed Serie A survival on the final day of the season for the second year running on Sunday by beating Hellas Verona 3-0 while Lecce became the last team to be relegated.
The death toll from fierce storms battering Italy has risen to 11, civil protection authorities said Tuesday, as wild weather swept parts of Europe.
The Italian government approved a decree on Thursday aimed at speeding up the rebuilding of a collapsed motorway bridge in the northern city of Genoa.
Italian toll-road operator Autostrade per l'Italia pledged on Saturday to rebuild a bridge that collapsed in Genoa this week killing at least 40 people.
Grieving relatives wept over the coffins of dozens of victims of Genoa's bridge disaster Friday amid growing fury over a planned state funeral.
The Italian government on Thursday launched an investigation into toll-road operator Autostrade per l'Italia following the collapse of a bridge in Genoa.
Italy's government on Wednesday blamed the firm that operated the collapsed Genoa bridge for the disaster in which at least 39 people died.
Firefighters searched into the night for survivors and bodies amid the rubble of a motorway bridge that collapsed in the northern Italian port city of Genoa.
One of the most bizarre own goals of the Serie A season set Inter Milan on their way to a 2-0 defeat at Genoa which cost them third place on Saturday.
Pietro Pellegri's move from Genoa to Monaco was one of the most eye-catching of the January transfer window.
AS Monaco announced on Saturday the hiring of Italian striker Pietro Pellegri, who used to play in the ranks of Genoa.
AS Roma announced on Thursday that the club renewed their contract with their Argentinean midfielder, Diego Perotti.
AS Roma veteran midfielder Daniele De Rossi gave away a needless penalty and was sent off in a 1-1 draw at Genoa on Sunday.
VAR is a new technique that FIFA decided to start using in major tournaments and leagues. it is now being used in Italian and German leagues.